Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1990 - Natural history |
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Page 215
... interpreted as representing the restrictive conditions of an intertidal flat environment . Introduction . Stratigraphy Sedimentary facies Fauna Palaeoecology Age Conclusions References Analysis of the sedimentary facies shows that the ...
... interpreted as representing the restrictive conditions of an intertidal flat environment . Introduction . Stratigraphy Sedimentary facies Fauna Palaeoecology Age Conclusions References Analysis of the sedimentary facies shows that the ...
Page 218
... interpreted as being the deposits of arcuate deltas subject to marine reworking similar to the present - day Brazos River delta of Texas and the São Francisco delta of Brazil ( Tankard & Barwis 1982 ) . Analysis of the sedimentary ...
... interpreted as being the deposits of arcuate deltas subject to marine reworking similar to the present - day Brazos River delta of Texas and the São Francisco delta of Brazil ( Tankard & Barwis 1982 ) . Analysis of the sedimentary ...
Page 228
... interpretations of the faunal assemblages from the two areas accord well with the different interpretations of the containing sedimentary facies . The shales at the top of the Weltevrede Formation at Howison's Poort are thought to have ...
... interpretations of the faunal assemblages from the two areas accord well with the different interpretations of the containing sedimentary facies . The shales at the top of the Weltevrede Formation at Howison's Poort are thought to have ...
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Common terms and phrases
abbreviated AFRICA articulate brachiopods barrier islands basal Witteberg beds benthic assemblages BENTHIC COMMUNITIES Blinkberg Formation Bokkeveld Group Boucot British Museum Natural carbonaceous shales Chonetes comma cross-bedded delta deposited Devonian rocks environmental External mould facies analysis Falkland Islands fauna Frasnian gastropod genus Givetian Grahamstown high-diversity holotype homalonotid trilobite horizontal lamination Howison's Poort inarticulate infaunal interpreted Leda Lingula lepta LOWER WITTEBERG GROUP Museum Natural History Orbiculoidea overlain paratypes parentheses pedicle valve Plectonotus sp punctuation quartz arenite unit registration number ripple cross-laminated sandstone Roman numerals salinity sandstones scientific name sediment SEDIMENTARY FACIES shoreline siltstone and shale Silurian and Devonian SOUTH AFRICAN MUSEUM specimens Spiriferid Stratigraphic subheadings are shouldered suspension feeders SWARTRUGGENS FORMATION Synonymy Tankard & Barwis taxa Theron thin tidal tidal-flat Touws River trace fossils Trigonoglossa Tropidoleptus sp Upper Devonian upward-fining cycles vicinity of Touws volume number Wagen Drift Formation wash-over WELTEVREDE FORMATION Fig Western Cape yielded marine invertebrate